|
1.
10 + 2 =
1
12
|
2.
11 + 6 =
2
17
|
3.
19 + 0 =
19
2
|
4.
7 + 11 =
2
18
|
|
5.
16 + 4 =
20
2
|
6.
14 + 1 =
1
15
|
7.
1 + 2 =
1
3
|
8.
15 + 1 =
2
16
|
|
9.
14 – 8 =
6
1
|
10.
5 + 11 =
16
2
|
11.
8 – 1 =
7
1
|
12.
7 – 0 =
7
1
|
|
13.
7 + 13 =
20
2
|
14.
16 + 2 =
2
18
|
15.
16 – 8 =
8
1
|
16.
11 – 2 =
9
1
|
|
17.
7 – 7 =
0
2
|
18.
2 – 1 =
2
1
|
19.
13 – 5 =
8
1
|
20.
6 + 6 =
12
1
|
|
1.
10 + 2 =
1
12
|
2.
11 + 6 =
2
17
|
3.
19 + 0 =
19
2
|
4.
7 + 11 =
2
18
|
|
5.
16 + 4 =
20
2
|
6.
14 + 1 =
1
15
|
7.
1 + 2 =
1
3
|
8.
15 + 1 =
2
16
|
|
9.
14 – 8 =
6
1
|
10.
5 + 11 =
16
2
|
11.
8 – 1 =
7
1
|
12.
7 – 0 =
7
1
|
|
13.
7 + 13 =
20
2
|
14.
16 + 2 =
2
18
|
15.
16 – 8 =
8
1
|
16.
11 – 2 =
9
1
|
|
17.
7 – 7 =
0
2
|
18.
2 – 1 =
2
1
|
19.
13 – 5 =
8
1
|
20.
6 + 6 =
12
1
|